CCA 5.x releases, which include RPM and Debian packages, are available for download here.
The license terms applicable for the CCA 5.x releases are available here in the CCA directory.
This directory contains the license, installation files, readme, and release notes. Clicking to download an RPM or Debian package means you accept the terms of this LICENSE file which is included in the directory (and in the package).
Installation file sha1sums:
5.2.23-12 RPM: 34c800ffaab8483b556a05779e56c4f62cd245a5
5.2.23-12 DEB: 330f08253e71b6e050a5ca6c73cc9af7ad92815d
5.2.23-06 RPM: e32865fe783effef00fc2c3bc939a5808fa47cc6
5.2.23-06 DEB: f2a63446ec2134324fde8ed707e56fbd55bd873a
5.2.23-05 RPM: bfca98f682b1b34cff50e009b8df0d7f5a35807d
5.2.23-04 RPM: e97edd7f24c590e9291490e54b49e810fa4f327e
5.0.59-10 RPM: 4ab3c4476924870fcfeb39f55fb747ce401dcc0f
5.0.59-09 RPM: 65668af8df34762ec0b3836f625f978222786072